PNG - Least Significant Bit

30 Points  0x0

Author

koma,  

Level  Difficulty

Validations

2687 Challengers 1%

Note  Notation

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262 Votes

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solutions 2 Solutions

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Challenge Results Challenge Results

Pseudo Challenge Lang Date
Zao Stéganographie  PNG - Least Significant Bit fr 8 December 2025 at 15:56
Pvkkito Stéganographie  PNG - Least Significant Bit fr 7 December 2025 at 18:44
Martishai Stéganographie  PNG - Least Significant Bit fr 6 December 2025 at 20:05
blepdoge Stéganographie  PNG - Least Significant Bit fr 5 December 2025 at 20:19
sarabroot Steganography  PNG - Least Significant Bit en 4 December 2025 at 20:07
Maleros Stéganographie  PNG - Least Significant Bit fr 4 December 2025 at 17:47
ctfdiary Steganography  PNG - Least Significant Bit en 29 November 2025 at 06:32
masjati Steganography  PNG - Least Significant Bit en 28 November 2025 at 16:40
rycip Stéganographie  PNG - Least Significant Bit fr 26 November 2025 at 16:11
ELBZH Stéganographie  PNG - Least Significant Bit fr 24 November 2025 at 14:41

challenges 24 Challenges

Results Name Validations Number of points  Explanation for the scores Difficulty  Difficulty Author Note  Notation Solution Date
pas_valide EXIF - Metadata 6% 22837 5 Isis 7 28 March 2022
pas_valide Dot and next line 8% 28632 10 SQalp 1 16 June 2013
pas_valide Steganomobile 11% 41151 10 Ryscrow 2 29 April 2011
pas_valide Twitter Secret Messages 8% 29246 10 Kira_ 3 21 December 2016
pas_valide TXT - George and Alfred 8% 29737 10 g0uZ 1 20 December 2014
pas_valide WAV - Noise analysis 6% 19514 10 Hackira 5 7 October 2006
pas_valide Poem from Space 2% 7439 15 Cryptanalyse 3 15 July 2020
pas_valide Yellow dots 3% 9390 15 LetMeR00t 5 29 September 2019
pas_valide EXIF - Thumbnail 4% 13789 20 whoaim 7 12 August 2015
pas_valide Mimic - Dummy sight 1% 1405 20 extiop , AnthoLaMalice 2 22 November 2021
pas_valide WAV - Spectral analysis 4% 13231 20 stickmen 7 2 October 2011
pas_valide APNG - Just A PNG 1% 3731 25 extiop , AnthoLaMalice 1 22 November 2021
pas_valide Crypt-art 3% 9961 25 m31z0nyx 2 11 December 2011
pas_valide ELF x64 - Duality 1% 803 25 extiop , AnthoLaMalice 1 22 November 2021
pas_valide PDF - Embedded 2% 5567 25 eilco 7 23 July 2017
pas_valide Genius ID 1% 515 30 LetMeR00t 1 10 May 2023
pas_valide Kitty spy 1% 1731 30 LetMeR00t 2 9 July 2018
pas_valide PNG - Least Significant Bit 1% 2694 30 koma 2 21 March 2012
pas_valide PNG - Pixel Indicator Technique 1% 2296 30 LetMeR00t 1 7 August 2017
pas_valide PNG - Pixel Value Differencing 1% 1989 30 LetMeR00t 1 7 November 2017
pas_valide Angecryption 1% 836 35 pickle 1 17 September 2017
pas_valide Base Jumper 1% 2087 35 pickle 3 3 March 2018
pas_valide Hide and seek 1% 553 40 swap89 1 22 September 2019
pas_valide PNG - EMD 1% 43 45 Thibz 0 23 June 2025